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Dear Support,

I am experiencing an issue with my PEC mailbox configured in Thunderbird. In the sender column, an incorrect email address often appears, unrelated to the actual sender of the received email. In some cases, I see the phrase "on behalf of:" followed by an email address that has no connection to the message in question.

This issue makes it difficult to correctly identify the real sender of emails. I have already checked my account configuration and updated Thunderbird to the latest version, but the problem persists.

Could you please provide guidance on how to resolve this behavior?

I am available to provide further details or screenshots of the issue if needed.

Thank you in advance for your assistance.

As a hardcore Firefox fan, I've recently noticed an issue with video playback on Facebook. When I play a video on Facebook, it freezes after a few seconds, but the audio continues playing. The same issue occurs on YouTube as well. I already have H264ify installed and have tried all the solutions available on the internet. What should I do?

Here are my specifications: Firefox 132.0.2, Windows 10 (64-bit), 8 GB RAM.

Hello, what is the error in the mail, the mail does not connect, what to do, it throws the following note: The time for connecting to the server imap.ivairiosdurys.lt has expired.

Hi there,

I'm a long time Thunderbird for Desktop user and I'm thrilled that you work hard on a nice Mobile version.

My plan is to switch completely from Aqua Mail to Thunderbird for Mobile on Android.

One of the most important features for me is to make a Backup of my accounts "with all" Emails included. Im not a fan of backup all data to a online cloud; a backup direct on the mobile device will be very fine. Is this possible already? If yes how??... ' don;t find a solution for that :) PS: The account transfer from Desktop to Mobile works very well on TB 8 for Android.

And additional a simple function to bring/sync all Data with a safe connection (accounts & emails) to a new phone. Or will this be possible in the near future?

Thanks and best regards. MG

Hi. I'm trying to troubleshoot failure to resume a download in Firefox and I want to see the HTTP headers just like in Network Tab of Dev Tools, but I can't find how to open Network Tab from the "Downloads" list. Is it even possible?

modzilla email error on ubuntu: The Local Directory path "/home/peter/.thunderbird/n4rpxwpa.default-esr/modzilla mail client error: Mail/pop3.wa.exemail.com-1.au" is invalid. Please pick a different directory.

Normally, if I were to close a tab while using a regular Firefox window, I could use the Ctrl+Shift+T hotkey to bring that tab back again. However, if I do so right now (for example, Wikipedia's Mozilla article), I will not bring that page back but instead an older, longer-closed tab from some days ago. I can keep trying to close and reopen tabs, or just keep reopening tabs, and I will continue to dig up older and older tabs from longer and longer ago.

Is this a known issue, what might have changed that behavior, and how do I restore the expected functionality of tabs correctly being reopened in the reverse order that they were closed?

TB stopped downloading emails from the Yahoo server. I still could send emails. I moved all emails from all TB folders (Inbox, trash, etc) to Local folders, deleted the profile. Redid the profile. Now TB still doesn't download emails. I get the message "The account xxxx@verizon.net is being processed. Please wait until processing is complete to get messages." AND now I can't send emails either.

hi , i have an issue when i browse the website g-portal.com when i try to enter my account setting for my server the website shows me an error "value.toString is not a function" i contacted the website customer support and they advised me to try another device, it worked but when i try on my device on firefox i get the same issue

Unable to send emails from my Laptop. Drop down box says "Outgoing server (SMTP) failed. I have compared settings on PC and are the same as the laptop. Have contacted my server provider and that is all ok. Can send emails from Optus webmail, but not from Thunderbird. Can send emails from the PC and that has Thunderbird also.

Hi ! I am using the latest firefox on win11 (latest updates). Since approx 2-3 days whenever I try to comment on youtube or edit an existing comment I cannot see what I am typing. I can still type and commit, the comment will appear and I it will contain what I typed. But when doing it initially it is invisble to me. If I reply to a comment I can see what I type.

Below 1st image shows a comment box I am actively typing in. Everything is invisible. 2nd image shows when I open a reply, you can clearly see the prompt and when I start typing it shows my input

Windows crashed my computer. now that it has been corrected i need to restore my old FireFox page and bookmarks. How can I do this? i prefer to speak with a rep. Ive tried following on the web but have no success.

In Windows 11, the Address Book is accessed via an icon on top left of the TB main page or Alt+2. In Windows 11 is there a similar key combination to view the folders below Local Folders?